Ingored upstream changes on yangtools-verify jobs.

The same chhange has been already doen in the template file
"job.yaml.template".
https://git.opendaylight.org/gerrit/#/c/13743/

Change-Id: I9ef45104e050f5c2275a78fdd6bae3bb4ac30fa4
Signed-off-by: Hideyuki Tai <Hideyuki.Tai@necam.com>